EP2925545A2 - Ensemble palier de tête destiné au raccordement d'une jambe de suspension à une carrosserie de véhicule - Google Patents

Ensemble palier de tête destiné au raccordement d'une jambe de suspension à une carrosserie de véhicule

Info

Publication number
EP2925545A2
EP2925545A2 EP13794884.0A EP13794884A EP2925545A2 EP 2925545 A2 EP2925545 A2 EP 2925545A2 EP 13794884 A EP13794884 A EP 13794884A EP 2925545 A2 EP2925545 A2 EP 2925545A2
Authority
EP
European Patent Office
Prior art keywords
head bearing
spring plate
bearing housing
cone
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13794884.0A
Other languages
German (de)
English (en)
Other versions
EP2925545B1 (fr
Inventor
Carsten Fox
Christian Noack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Bilstein GmbH
Original Assignee
ThyssenKrupp Bilstein GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Bilstein GmbH filed Critical ThyssenKrupp Bilstein GmbH
Publication of EP2925545A2 publication Critical patent/EP2925545A2/fr
Application granted granted Critical
Publication of EP2925545B1 publication Critical patent/EP2925545B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/128—Damper mount on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/41—Dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7102—Aluminium alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8101—Shaping by casting

Definitions

  • Head bearing assembly for connecting a shock absorber to a
  • the present invention relates to a head bearing assembly for connecting a strut to a vehicle body, with a head bearing housing and with a spring plate on which a suspension spring of the shock absorber is supported and wherein the spring plate is arranged on the head bearing housing.
  • FIG. 1 shows a head bearing arrangement 1 for connecting a strut 10 to a vehicle body 11 in a known embodiment.
  • the strut 10 is formed by a suspension spring 14 and a vibration damper 27, wherein a piston rod 28 of the vibration damper 27 is received in a head bearing housing 12.
  • the head bearing housing 12 is rigidly connected in a manner not shown with the vehicle body 11, wherein the vehicle body 11 in the Area of the spring dome recording is shown.
  • the head bearing housing 12 contains an elastic material 32, which is usually formed by a rubber element, and in this the piston rod 28 is held elastically with respect to the head bearing housing 12.
  • the suspension spring 14 of the shock absorber 10 is supported on a spring plate 13, and the spring plate 13 is supported via an elastic spring element 29 supported on the head bearing housing 12.
  • the spring plate 13 is usually formed of a plastic material, which may cause contact noise between the spring plate 13 and the head bearing housing during movements of the strut 10 in the vehicle body 11.
  • the compliant design of the elastic spring element 29 for supporting the spring plate 13 in the head bearing housing 12 allows for a certain mobility of the spring plate 13, and upon contact of the inside of the spring plate 13 with the portion of the head bearing housing 12 which receives the elastic material 32, it may Noise come, which are perceived by vehicle occupants of the motor vehicle as disturbing.
  • suspension springs 14 Due to the deflection of the suspension spring 14 further torques arise about the longitudinal axis 23, which are transmitted from the suspension spring 14 in the spring plate 13. Furthermore, suspension springs 14 can be used, which have not ground ends, which can result in tilting moments on the spring plate 13. Consequently, both by the rotational moments about the longitudinal axis 23 and by the tilting moments, which are transmitted from the suspension spring 14 in the spring plate 13, movements of the spring plate 13 relative to the head bearing housing 12 can be generated, which can independently contribute to the formation of noise and it to avoid.
  • the object of the invention is to provide a head bearing assembly for connecting a strut to a vehicle body, which is simple and does not cause any noise during operation of the vehicle. This object is achieved on the basis of a head bearing assembly for connecting a shock absorber according to the preamble of claim 1 in conjunction with the characterizing features.
  • the invention includes the technical teaching that the spring plate is arranged via a conical seat on the head bearing housing and wherein in the conical seat, a toothing between the Federtelier and the head bearing housing is introduced.
  • the invention is based on the idea of arranging the spring plate directly on the head bearing housing.
  • the elastic spring element can be omitted, which should usually serve to avoid noise, but according to the invention movements in the spring plate relative to the head bearing housing can already be avoided by the spring plate is arranged via a conical seat on the head bearing housing.
  • the spring plate located in the cone seat teeth between the Federtelier and the head bearing housing.
  • connection of the spring plate is formed on the head bearing housing in the direction of the longitudinal axis by a frictional engagement, which is generated by the conical seat, and a rotation of the spring plate on the head bearing housing is generated by a positive connection, which is produced by the teeth in the conical seat.
  • the head bearing housing can pot-like or cup-like with a slightly conical
  • a cone portion can be formed, which consequently has a cone outer surface.
  • the spring plate with its conical receptacle can be placed in a clamping manner on the conical section of the head bearing housing.
  • the toothing can be located between the conical section and the conical seat.
  • a tooth structure can be introduced on the conical outer surface of the head bearing housing.
  • a tooth structure can be introduced inside the cone receptacle, which is formed corresponding to the tooth structure on the cone outer surface.
  • the tooth structure may consist of a plurality of teeth, which are aligned longitudinally in the direction of the longitudinal axis and extend over the cone portion and / or the taper receptacle. Consequently, the spring plate can be joined from the direction of the longitudinal axis on the cone portion of the head bearing housing, so that the teeth of the tooth structure in the cone seat reach into the tooth gaps of the teeth on the cone outer surface of the head bearing housing.
  • this creates a positive engagement in the direction of rotation of the spring plate on the head bearing housing, so that torques that are transmitted via the spring-loaded suspension spring on the spring plate, can be forwarded directly into the head bearing housing without adjusting a rotation of the spring plate on the head bearing housing.
  • the toothing between the spring plate and the head bearing housing distributed on the circumference trained Have support areas By distributed discretely distributed on the circumference formed supporting areas, an alternative to a full-scale support area can be created and the teeth can be provided on the cone outer surface and / or in the conical receptacle fully or in discrete areas.
  • the toothing between the spring plate and the head bearing housing distributed on the circumference formed support areas. If the spring divider is joined to the head bearing housing, the cone seat on the spring seat rests only in the bearing areas on the conical outer surface of the head bearing housing.
  • Characterized defined support areas are formed for support in the axial direction, and for example, three distributed at an equal angular pitch distributed around the circumference formed support areas between the spring plate and the head bearing housing can be provided.
  • the teeth between the spring plate and the head bearing housing may be limited to the support areas, or the support areas are used for axial support of the cone seat on the cone outer surface to form for the transmission of axial forces in the direction of the longitudinal axis limited to the support areas power transmissions, at a full circumferential toothing of the positive connection between the spring plate and the head bearing housing can be formed over the entire circumference.
  • the head bearing housing and the spring plate may extend around a longitudinal axis of the spring strut around, wherein the toothing between the head bearing housing and the spring plate is formed either in peripheral portions or preferably fully.
  • the contact between the cone seat and the conical outer surface can be generated via tooth flanks formed on the teeth of the tooth structures.
  • a particularly rigid positive connection between the taper receptacle and the cone outer surface is created, which in particular is free of play, since the teeth are keyed into one another via their tooth flanks.
  • the teeth of the cone seat are in a meshing arrangement with the teeth of the cone outer surface. Since the teeth carry each other over their lateral tooth flanks, particularly high surface pressures arise in the contact between the teeth. Alternatively, the teeth can carry over their tooth heads and down to the surface the cone seat or on the cone outer surface enough so that only parts of the teeth or all teeth wear over their tooth heads.
  • a particularly advantageous embodiment of the head bearing assembly comprises a head bearing housing made of a metallic material, for example of aluminum, and the spring plate may advantageously be formed of a plastic material.
  • the teeth of the tooth structure on the cone outer surface of the cone portion cutting edges, which at least partially incise when joining the spring plate on the cone portion in the cone seat of the spring plate.
  • the spring plate may be formed with a cone seat, which initially has no tooth structure, and only by joining the spring plate on the head bearing housing cut the cutting edges of the teeth on the cone outer surface of the head bearing housing in the surface of the cone seat in a spring plate.
  • Figure 1 is a cross-sectional perspective view of a
  • Head bearing assembly for connecting a shock absorber to a vehicle body according to the prior art
  • Figure 2 is a perspective view of a head bearing assembly with a
  • Head bearing housing and a spring plate shows a perspective view of an embodiment of the head bearing housing with the features of the present invention
  • FIG. 4 shows a perspective view of a spring plate with the features of the present invention
  • Figure 5 is a cross-sectional view through the head bearing assembly according to
  • FIG. 2 is a diagrammatic representation of FIG. 1
  • FIG. 6 shows a further embodiment of a head bearing arrangement
  • Figure 7 is a perspective view of a head bearing housing according to the
  • Figure 8 is a perspective view of a spring plate according to the other
  • FIG. 9 shows a detailed view of the head bearing housing according to FIG. 7.
  • Figure 1 shows a head bearing arrangement according to the prior art and reference is made to the introductory description.
  • FIG. 2 shows the spring plate 13 in an arrangement joined to a head bearing housing 12
  • FIG. 3 shows the head bearing housing 12 in a perspective view
  • FIG. 4 shows the spring plate 13 in a perspective view.
  • the head bearing housing 12 and the spring plate 13 extend together about a longitudinal axis 23, which also corresponds to the longitudinal axis of the shock absorber, which is receivable with the head bearing assembly vehicle body.
  • Figure 2 shows the connection between the head bearing housing 12 and the spring plate 13 via a conical seat 15, and in the conical seat 15 is a toothing 16th between the spring plate 13 and the Kopfiagergephaseuse 12 introduced the
  • Spring plate 13 has been added to the head bearing housing 12 from the direction of the longitudinal axis 23, so that the toothing 18 between the head bearing housing 12 and the spring plate 13 is positively joined together.
  • toothing 16 The formation of the toothing 16 will be described below in connection with Figures 3 and 4 in more detail.
  • Figure 3 shows the Kopfiagergeophuse 12 in a perspective view, and the head bearing housing 12 a plurality of connecting pins 31 are arranged, via which the Kopfiagergeophuse 12 in the vehicle body, in particular in the spring dome, can be rigidly received.
  • 31 nuts can be screwed onto the connecting bolts.
  • this has a plate-shaped base 33, to which a conical portion 17 is located, and in the conical portion 17, an elastic material can be accommodated over which the piston rod of the shock absorber of the shock absorber elastic can be accommodated in the Kopfiagergeophuse 12.
  • the cone portion 17 has a cone outer surface 18, and on the cone outer surface 18, a tooth structure 20 is applied.
  • the teeth 24 of the tooth structure 20 extend on the conical section 17 approximately parallel to the longitudinal axis 23.
  • the conical section 17 has a slightly smaller diameter at the end than on the side of the plate-shaped substructure 33. Consequently, the spring plate 13 shown in FIG 19 are joined to the cone portion 17 from the direction of the longitudinal axis 23, so that it can come to a self-holding, frictional contact between the outer cone surface 18 of the head bearing housing 12 and the cone seat 19 of the spring plate 13.
  • Figure 4 shows the spring plate 13 in a perspective view, wherein this has a about the longitudinal axis 23 encircling approximately U-shaped cross-section, in which the suspension spring of the shock absorber can be accommodated.
  • FIG. 5 shows a cross-sectional view through the head bearing arrangement 1 according to FIG. 2, which extends around the longitudinal axis 23.
  • the head bearing housing 12 may be designed as a metal die cast component, while the spring plate 13 may be made of a Kunststoffmateriai.
  • the plate-shaped base 33, the connecting pins 31 are arranged, and on the arrangement of the connecting pin 31 opposite side of the plate-shaped base 33 is the cone portion 17 for receiving the spring plate 13.
  • the receiving space for receiving an elastic material 32 is shown on the Piston rod of the shock absorber of the strut in the head bearing housing 12 can be added.
  • the toothing 16 between the conical outer surface 18 and the cone seat 19 is located in the region of the conical seat 15 between the spring plate 13 and the head bearing housing 12, wherein, for example, on the left side of the longitudinal axis 23, a tooth 24 on the conical outer surface 18 a tooth 25 in the cone seat 19th partially covered, from which it follows that the teeth 24 and 25 intermesh positively in the circumferential direction.
  • Figures 6, 7 and 8 show another embodiment of a head bearing assembly 1 with a head bearing housing 12 and with a spring plate
  • FIG. 7 shows the head bearing housing 12 individually and FIG. 8 shows the spring divider 13 individually in a respective perspective view.
  • the head bearing assembly 1, the head bearing housing 12 and the spring plate 13 in Figures 6, 7 and 8 each have a common longitudinal axis 23rd
  • the head bearing assembly 1 shown in Figure 6 shows the head bearing housing 12 with the attached thereto connecting bolt 31, and on the head bearing housing 12, the spring divider 13 is arranged via a conical seat 15.
  • the conical seat 15 has a toothing 16, in connection with the following figures closer is described.
  • Figure 7 shows the head bearing housing 12 with the cone outer surface 18 on the
  • Figure 9 shows a detail of the head bearing housing 12 according to the second embodiment.
  • teeth 24 are applied to form the tooth structure 20.
  • the teeth 24 have cutting edges 26 at their end faces, and the cutting edges 26 can be cut into the cone splitter 19 on the inside of the spring divider 13 when joining the spring divider 13 to the cone portion 17.
  • a minimum joining force of the spring plate 13 from the direction of the longitudinal axis 23 on the head bearing housing 12 is required in order to achieve a cutting of the cutting edges 26 on the teeth 24 of the tooth structure 20 in the material of the cone seat 19 of the spring plate 13,
  • Figure 8 shows the spring plate 13 for the further embodiment, and in the cone seat 19 no further tooth structure is introduced.
  • the material of the Spring plate 13 is made softer than the material of the head bearing housing 12, and when the suspension spring of the strut in the spring receptacle 34 of the spring plate 34 is seated, the spring plate 13 is pressed in the direction of the longitudinal axis 23 in the later operation of the head bearing assembly 1 further on the head bearing housing 12 , so that the cutting edges 26 can work deeper into the cone seat 19 over the service life.
  • the conical seat 15 between the spring plate 13 and the head bearing housing 12 is designed so that the top 35 of the spring plate 13, the bottom 36 of the plate-shaped base 33 of the head bearing housing 12 does not touch, and a
  • Gap between the top 35 and the bottom 36 remains. Only this ensures that even after prolonged operation of the head bearing assembly 1 by the use of the vehicle, the spring plate 13 on the cone portion 17 of the head bearing housing 12 can not loosen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un ensemble palier de tête (1) destiné au raccordement d'une jambe de suspension (10) à une carrosserie de véhicule (11). Cet ensemble est pourvu d'un carter (12) et d'une coupelle de ressort (13), sur laquelle un ressort de suspension (14) de la jambe de suspension (10) est en appui et la coupelle de ressort (13) étant disposée sur le carter de palier de tête (12). Selon l'invention, la coupelle de ressort (13) est disposée par l'intermédiaire d'un siège conique (15) sur le carter de palier de tête (12), une denture (16) étant introduite dans le siège conique (15) entre la coupelle de ressort (13) et le carter de palier de tête (12).
EP13794884.0A 2012-11-27 2013-11-20 Ensemble palier de tête destiné au raccordement d'une jambe de suspension à une carrosserie de véhicule Active EP2925545B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012111471.4A DE102012111471B3 (de) 2012-11-27 2012-11-27 Kopflageranordnung zur Anbindung eines Federbeins an einen Fahrzeugaufbau
PCT/EP2013/074226 WO2014082900A2 (fr) 2012-11-27 2013-11-20 Ensemble palier de tête destiné au raccordement d'une jambe de suspension à une carrosserie de véhicule

Publications (2)

Publication Number Publication Date
EP2925545A2 true EP2925545A2 (fr) 2015-10-07
EP2925545B1 EP2925545B1 (fr) 2016-08-24

Family

ID=49626948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13794884.0A Active EP2925545B1 (fr) 2012-11-27 2013-11-20 Ensemble palier de tête destiné au raccordement d'une jambe de suspension à une carrosserie de véhicule

Country Status (5)

Country Link
US (1) US9975390B2 (fr)
EP (1) EP2925545B1 (fr)
CN (1) CN105026192B (fr)
DE (2) DE102012111471B3 (fr)
WO (1) WO2014082900A2 (fr)

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DE102014206658B4 (de) * 2014-04-07 2021-06-10 Schaeffler Technologies AG & Co. KG Federbeinlager mit einer Zweikomponenten Kappe
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US10717335B2 (en) * 2018-04-13 2020-07-21 Toyota Motor North America, Inc. Mounting device with an anti-rotation feature
EP4313637A1 (fr) * 2021-03-31 2024-02-07 Firestone Industrial Products Company, LLC Ensembles d'éléments d'extrémité et ensembles de ressort pneumatique et d?amortisseur comprenant ceux-ci

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Also Published As

Publication number Publication date
US9975390B2 (en) 2018-05-22
CN105026192B (zh) 2017-06-06
EP2925545B1 (fr) 2016-08-24
DE102012111471B3 (de) 2014-05-28
CN105026192A (zh) 2015-11-04
WO2014082900A2 (fr) 2014-06-05
US20150321531A1 (en) 2015-11-12
DE202012104645U1 (de) 2013-01-11
WO2014082900A3 (fr) 2014-09-04

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